Replace the worn-out rear shocks on your GM 2500HD/3500HD with our high-performance 0-2" rear shocks! Over time, factory shocks degrade, causing a bouncy, harsh ride with vibrations and excessive body roll. Our rear shocks are built with durable construction and precision engineering, providing superior damping performance. Whether you're towing, hauling heavy loads, or simply seeking optimal performance, these shocks deliver improved control and stability for your rear suspension. Pair your new set of rear shocks with our selection of0-2" Front Shocks.GM Duramax Fitments: 2004, 2005 GM 6.6L Duramax.Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali.Some exceptions apply, please see individual product pages for specific fitments.